Iomega Portable Hard Drive 80GB USB 2.0 (Host Powered) - Silver Series. Hard drive capacity: 80 GB, Hard drive rotational speed: 7200 RPM, Hard drive interface: USB 2.0. Weight: 165 g. Hard disk transfer rate: 480 Mbit/s, Minimum hard disk space: 65 MB, Minimum processor: 300 MHz/G4/G3/iMac